POWER SUPPLY MANAGEMENT SYSTEM AND POWER SUPPLY MANAGEMENT METHOD

摘要

PROBLEM TO BE SOLVED: To provide a power supply management system capable of more efficiently and inexpensively performing power supply accurately matching the needs of each user.SOLUTION: A power supply management server 100 as the smallest machine of a power supply management system includes: communication equipment 105 for communicating with a smart meter provided at a user facility; a storage device 101 for storing prepaid information including the data of power amount that a user has reserved and purchased in a predetermined time zone in a future predetermined period; and an arithmetic unit 104 for acquiring the value of power consumption amount in the predetermined time zone from the smart meter, and for subtracting the acquired value of the power consumption amount from the power amount indicated by the prepaid information about the relevant time zone in the relevant period of the relevant user, and for outputting the information of residual power amount in the prepaid information after subtraction to a predetermined device.SELECTED DRAWING: Figure 2